llvm/clang/test/CodeGen/2005-04-09-ComplexOps.c

// RUN: %clang_cc1 %s -emit-llvm -o -

#define I 1.0iF

double __complex test(double X) { return ~-(X*I); }

_Bool EQ(double __complex A, double __complex B) { return A == B; }
_Bool NE(double __complex A, double __complex B) { return A != B; }